257440992

素因数分解:

$2^5\times 3^1\times {\mathrm{661}}^1\times {\mathrm{4057}}^1$

素因数の和:4731

約数の個数: 48

約数和(自身を含む): 676971792

約数和(自身を除く): 419530800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 661, 1322, 1983, 2644, 3966, 4057, 5288, 7932, 8114, 10576, 12171, 15864, 16228, 21152, 24342, 31728, 32456, 48684, 63456, 64912, 97368, 129824, 194736, 389472, 2681677, 5363354, 8045031, 10726708, 16090062, 21453416, 32180124, 42906832, 64360248, 85813664, 128720496, 257440992]

約数ペア:

[(1, 257440992), (2, 128720496), (3, 85813664), (4, 64360248), (6, 42906832), (8, 32180124), (12, 21453416), (16, 16090062), (24, 10726708), (32, 8045031), (48, 5363354), (96, 2681677), (661, 389472), (1322, 194736), (1983, 129824), (2644, 97368), (3966, 64912), (4057, 63456), (5288, 48684), (7932, 32456), (8114, 31728), (10576, 24342), (12171, 21152), (15864, 16228)]